4053920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1977

約数の個数: 48

約数和(自身を含む): 10319400

約数和(自身を除く): 6265480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 1949, 2080, 3898, 7796, 9745, 15592, 19490, 25337, 31184, 38980, 50674, 62368, 77960, 101348, 126685, 155920, 202696, 253370, 311840, 405392, 506740, 810784, 1013480, 2026960, 4053920]

約数ペア:

[(1, 4053920), (2, 2026960), (4, 1013480), (5, 810784), (8, 506740), (10, 405392), (13, 311840), (16, 253370), (20, 202696), (26, 155920), (32, 126685), (40, 101348), (52, 77960), (65, 62368), (80, 50674), (104, 38980), (130, 31184), (160, 25337), (208, 19490), (260, 15592), (416, 9745), (520, 7796), (1040, 3898), (1949, 2080)]